Advanced Configuration and Power Interface, a standard for hardware discovery and power management in computers.
Acronym created in 1996 by Intel, Microsoft, and Toshiba. Combines 'advanced' (from Latin 'ab ante'), 'configuration' (from Latin 'configurare'), 'power' (from Old French 'pooir'), and 'interface' (from Latin 'inter' + 'facies').
ACPI revolutionized laptop computing by enabling features like 'sleep mode' and automatic hardware detection, making portable computers truly practical for everyday users rather than just technical specialists.
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